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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: Status.html 19 2015-01-15 23:13:28Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.msrp.msg;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.util.regex.Matcher;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.util.regex.Pattern;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>/**<a name="line.13"></a>
<span class="sourceLineNo">014</span> * MSRP {@code Status} header.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * &lt;p&gt;<a name="line.16"></a>
<span class="sourceLineNo">017</span> * Instances are immutable.<a name="line.17"></a>
<span class="sourceLineNo">018</span> * &lt;/p&gt;<a name="line.18"></a>
<span class="sourceLineNo">019</span> */<a name="line.19"></a>
<span class="sourceLineNo">020</span>public class Status {<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>    private static final String STATUS_REGEX = "([0-9]{3}) ([0-9]{3})( (.*))?";<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>    private final int namespace;<a name="line.24"></a>
<span class="sourceLineNo">025</span>    private final int code;<a name="line.25"></a>
<span class="sourceLineNo">026</span>    private final String comment;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>    /**<a name="line.28"></a>
<span class="sourceLineNo">029</span>     * Constructor.<a name="line.29"></a>
<span class="sourceLineNo">030</span>     *<a name="line.30"></a>
<span class="sourceLineNo">031</span>     * @param code status code<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * @param comment comment, or null<a name="line.32"></a>
<span class="sourceLineNo">033</span>     */<a name="line.33"></a>
<span class="sourceLineNo">034</span>    public Status(int code, String comment) {<a name="line.34"></a>
<span class="sourceLineNo">035</span>        this(0, code, comment);<a name="line.35"></a>
<span class="sourceLineNo">036</span>    }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>    /**<a name="line.38"></a>
<span class="sourceLineNo">039</span>     * Constructor.<a name="line.39"></a>
<span class="sourceLineNo">040</span>     *<a name="line.40"></a>
<span class="sourceLineNo">041</span>     * @param namespace status code namespace<a name="line.41"></a>
<span class="sourceLineNo">042</span>     * @param code status code<a name="line.42"></a>
<span class="sourceLineNo">043</span>     */<a name="line.43"></a>
<span class="sourceLineNo">044</span>    public Status(int namespace, int code) {<a name="line.44"></a>
<span class="sourceLineNo">045</span>        this(namespace, code, null);<a name="line.45"></a>
<span class="sourceLineNo">046</span>    }<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span>    /**<a name="line.48"></a>
<span class="sourceLineNo">049</span>     * Constructor.<a name="line.49"></a>
<span class="sourceLineNo">050</span>     *<a name="line.50"></a>
<span class="sourceLineNo">051</span>     * @param namespace status code namespace<a name="line.51"></a>
<span class="sourceLineNo">052</span>     * @param code status code<a name="line.52"></a>
<span class="sourceLineNo">053</span>     * @param comment comment, or null<a name="line.53"></a>
<span class="sourceLineNo">054</span>     */<a name="line.54"></a>
<span class="sourceLineNo">055</span>    public Status(int namespace, int code, String comment) {<a name="line.55"></a>
<span class="sourceLineNo">056</span>        if (namespace &lt; 0 || namespace &gt; 999)<a name="line.56"></a>
<span class="sourceLineNo">057</span>            throw new IllegalArgumentException("invalid namespace " + namespace);<a name="line.57"></a>
<span class="sourceLineNo">058</span>        if (code &lt; 0 || code &gt; 999)<a name="line.58"></a>
<span class="sourceLineNo">059</span>            throw new IllegalArgumentException("invalid code " + code);<a name="line.59"></a>
<span class="sourceLineNo">060</span>        this.namespace = namespace;<a name="line.60"></a>
<span class="sourceLineNo">061</span>        this.code = code;<a name="line.61"></a>
<span class="sourceLineNo">062</span>        this.comment = comment;<a name="line.62"></a>
<span class="sourceLineNo">063</span>    }<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>    /**<a name="line.65"></a>
<span class="sourceLineNo">066</span>     * Get the status code namespace.<a name="line.66"></a>
<span class="sourceLineNo">067</span>     */<a name="line.67"></a>
<span class="sourceLineNo">068</span>    public int getNamespace() {<a name="line.68"></a>
<span class="sourceLineNo">069</span>        return this.namespace;<a name="line.69"></a>
<span class="sourceLineNo">070</span>    }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>    /**<a name="line.72"></a>
<span class="sourceLineNo">073</span>     * Get the status code.<a name="line.73"></a>
<span class="sourceLineNo">074</span>     */<a name="line.74"></a>
<span class="sourceLineNo">075</span>    public int getCode() {<a name="line.75"></a>
<span class="sourceLineNo">076</span>        return this.code;<a name="line.76"></a>
<span class="sourceLineNo">077</span>    }<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span>    /**<a name="line.79"></a>
<span class="sourceLineNo">080</span>     * Get the comment.<a name="line.80"></a>
<span class="sourceLineNo">081</span>     *<a name="line.81"></a>
<span class="sourceLineNo">082</span>     * @return comment, or null if there is no comment<a name="line.82"></a>
<span class="sourceLineNo">083</span>     */<a name="line.83"></a>
<span class="sourceLineNo">084</span>    public String getComment() {<a name="line.84"></a>
<span class="sourceLineNo">085</span>        return this.comment;<a name="line.85"></a>
<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span>    /**<a name="line.88"></a>
<span class="sourceLineNo">089</span>     * Create an instance by parsing a {@link String}.<a name="line.89"></a>
<span class="sourceLineNo">090</span>     *<a name="line.90"></a>
<span class="sourceLineNo">091</span>     * @param string static expressed as a string<a name="line.91"></a>
<span class="sourceLineNo">092</span>     * @throws IllegalArgumentException if {@code string} is null or invalid<a name="line.92"></a>
<span class="sourceLineNo">093</span>     */<a name="line.93"></a>
<span class="sourceLineNo">094</span>    public static Status fromString(String string) {<a name="line.94"></a>
<span class="sourceLineNo">095</span>        if (string == null)<a name="line.95"></a>
<span class="sourceLineNo">096</span>            throw new IllegalArgumentException("null string");<a name="line.96"></a>
<span class="sourceLineNo">097</span>        final Matcher matcher = Pattern.compile(STATUS_REGEX).matcher(string);<a name="line.97"></a>
<span class="sourceLineNo">098</span>        if (!matcher.matches())<a name="line.98"></a>
<span class="sourceLineNo">099</span>            throw new IllegalArgumentException("invalid status " + Util.quotrunc(string));<a name="line.99"></a>
<span class="sourceLineNo">100</span>        try {<a name="line.100"></a>
<span class="sourceLineNo">101</span>            final int namespace = Integer.parseInt(matcher.group(1), 10);<a name="line.101"></a>
<span class="sourceLineNo">102</span>            final int code = Integer.parseInt(matcher.group(2), 10);<a name="line.102"></a>
<span class="sourceLineNo">103</span>            return new Status(namespace, code, matcher.group(4));<a name="line.103"></a>
<span class="sourceLineNo">104</span>        } catch (IllegalArgumentException e) {<a name="line.104"></a>
<span class="sourceLineNo">105</span>            throw new IllegalArgumentException("invalid status " + Util.quotrunc(string));<a name="line.105"></a>
<span class="sourceLineNo">106</span>        }<a name="line.106"></a>
<span class="sourceLineNo">107</span>    }<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span>// Object<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    @Override<a name="line.111"></a>
<span class="sourceLineNo">112</span>    public String toString() {<a name="line.112"></a>
<span class="sourceLineNo">113</span>        return String.format("%03d %03d%s", this.namespace, this.code, this.comment != null ? " " + this.comment : "");<a name="line.113"></a>
<span class="sourceLineNo">114</span>    }<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>    @Override<a name="line.116"></a>
<span class="sourceLineNo">117</span>    public boolean equals(Object obj) {<a name="line.117"></a>
<span class="sourceLineNo">118</span>        if (obj == this)<a name="line.118"></a>
<span class="sourceLineNo">119</span>            return true;<a name="line.119"></a>
<span class="sourceLineNo">120</span>        if (obj == null || obj.getClass() != this.getClass())<a name="line.120"></a>
<span class="sourceLineNo">121</span>            return false;<a name="line.121"></a>
<span class="sourceLineNo">122</span>        final Status that = (Status)obj;<a name="line.122"></a>
<span class="sourceLineNo">123</span>        return this.namespace == that.namespace<a name="line.123"></a>
<span class="sourceLineNo">124</span>          &amp;&amp; this.code == that.code<a name="line.124"></a>
<span class="sourceLineNo">125</span>          &amp;&amp; (this.comment != null ? this.comment.equals(that.comment) : that.comment == null);<a name="line.125"></a>
<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span>    @Override<a name="line.128"></a>
<span class="sourceLineNo">129</span>    public int hashCode() {<a name="line.129"></a>
<span class="sourceLineNo">130</span>        return (this.namespace &lt;&lt; 16) ^ (this.code &lt;&lt; 8) ^ (this.comment != null ? this.comment.hashCode() : 0);<a name="line.130"></a>
<span class="sourceLineNo">131</span>    }<a name="line.131"></a>
<span class="sourceLineNo">132</span>}<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>




























































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